Home / 3,764.63-5,645.07-2,205.02

Finding the Fourth Proportional to 3,764.63, 5,645.07 and 2,205.02

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Solution

The fourth proportional to 3,764.63, 5,645.07 and 2,205.02 is: 3,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.63 : 5,645.07 = 2,205.02 : x
  2. Step 2: Convert to fraction form
    3,764.63/5,645.07 = 2,205.02/x
  3. Step 3: Cross multiply
    3,764.63x = 5,645.07 × 2,205.02
  4. Step 4: Simplify right side
    3,764.63x = 12,447,506.36
  5. Step 5: Solve for x
    x = 12,447,506.36/3,764.63
  6. Step 6: Final answer
    x = 3,306.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.